diff --git a/src/info.c b/src/info.c
index 7b3f3c177..b75f8cae0 100644
--- a/src/info.c
+++ b/src/info.c
@@ -3950,9 +3950,9 @@ state_t states[NUMSTATES] =
 
 	{SPR_SLPT,                 FF_PAPERSPRITE|0, -1, {NULL}, 0, 0, S_NULL}, // S_SLIPTIDEZIP
 
-	{SPR_IWHP,                 FF_FLOORSPRITE|FF_ANIMATE|0, -1, {NULL}, 6, 2, S_NULL}, // S_INSTAWHIP
-	{SPR_GRNG,                 FF_PAPERSPRITE|0, -1, {NULL}, 0, 0, S_NULL}, // S_BLOCKRING
-	{SPR_GBDY,                 FF_ANIMATE|0, -1, {NULL}, 4, 2, S_NULL}, // S_BLOCKBODY
+	{SPR_IWHP,                 FF_FULLBRIGHT|FF_FLOORSPRITE|FF_ANIMATE|0, -1, {NULL}, 6, 2, S_NULL}, // S_INSTAWHIP
+	{SPR_GRNG,                 FF_FULLBRIGHT|FF_PAPERSPRITE|0, -1, {NULL}, 0, 0, S_NULL}, // S_BLOCKRING
+	{SPR_GBDY,                 FF_FULLBRIGHT|FF_ANIMATE|0, -1, {NULL}, 4, 2, S_NULL}, // S_BLOCKBODY
 
 	{SPR_SGNS, FF_ADD|FF_FULLBRIGHT, 1, {NULL}, 0, 0, S_SIGNSPARK2}, // S_SIGNSPARK1
 	{SPR_SGNS, FF_ADD|FF_FULLBRIGHT|1, 1, {NULL}, 0, 0, S_SIGNSPARK3}, // S_SIGNSPARK2
diff --git a/src/k_collide.cpp b/src/k_collide.cpp
index 6528a2c08..af5e79d48 100644
--- a/src/k_collide.cpp
+++ b/src/k_collide.cpp
@@ -811,7 +811,7 @@ boolean K_InstaWhipCollide(mobj_t *shield, mobj_t *victim)
 		if (victim != attacker && !P_PlayerInPain(victimPlayer) && victimPlayer->flashing == 0)
 		{
 			// BLOW THAT SHIT THE FUCK UP with guard
-			if (K_PlayerEBrake(victimPlayer) && victimPlayer->spheres > 0)
+			if (K_PlayerGuard(victimPlayer))
 			//if (true)
 			{
 				victimHitlag = 2*victimHitlag;
@@ -876,7 +876,7 @@ boolean K_InstaWhipCollide(mobj_t *shield, mobj_t *victim)
 		|| victim->type == MT_BANANA || victim->type == MT_EGGMANITEM || victim->type == MT_BALLHOG
 		|| victim->type == MT_SSMINE || victim->type == MT_LANDMINE || victim->type == MT_SINK
 		|| victim->type == MT_GARDENTOP || victim->type == MT_DROPTARGET || victim->type == MT_BATTLECAPSULE
-		|| victim->type == MT_MONITOR)
+		|| victim->type == MT_MONITOR || victim->type == MT_SPECIAL_UFO)
 		{
 			// Monitor hack. We can hit monitors once per instawhip, no multihit shredding!
 			// Damage values in Obj_MonitorGetDamage.
diff --git a/src/k_kart.c b/src/k_kart.c
index adc4512a7..f71700098 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -718,7 +718,7 @@ static void K_SpawnBumpForObjs(mobj_t *mobj1, mobj_t *mobj2)
 	}
 }
 
-static void K_PlayerJustBumped(player_t *player)
+static void K_PlayerJustBumped(player_t *player, boolean guardbreak)
 {
 	mobj_t *playerMobj = NULL;
 
@@ -742,6 +742,13 @@ static void K_PlayerJustBumped(player_t *player)
 		player->rmomy = playerMobj->momy - player->cmomy;
 	}
 
+	if (guardbreak && K_PlayerGuard(player))
+	{
+		S_StartSound(player->mo, sfx_s3k9e);
+		K_AddHitLag(player->mo, TICRATE, true);
+		player->instaShieldCooldown = 2*TICRATE;
+	}
+
 	player->justbumped = bumptime;
 	player->spindash = 0;
 
@@ -933,8 +940,8 @@ boolean K_KartBouncing(mobj_t *mobj1, mobj_t *mobj2)
 
 	K_SpawnBumpForObjs(mobj1, mobj2);
 
-	K_PlayerJustBumped(mobj1->player);
-	K_PlayerJustBumped(mobj2->player);
+	K_PlayerJustBumped(mobj1->player, true);
+	K_PlayerJustBumped(mobj2->player, true);
 
 	return true;
 }
@@ -1003,7 +1010,7 @@ boolean K_KartSolidBounce(mobj_t *bounceMobj, mobj_t *solidMobj)
 	bounceMobj->momz = -bounceMobj->momz;
 
 	K_SpawnBumpForObjs(bounceMobj, solidMobj);
-	K_PlayerJustBumped(bounceMobj->player);
+	K_PlayerJustBumped(bounceMobj->player, false);
 
 	return true;
 }
@@ -9797,6 +9804,11 @@ boolean K_PlayerEBrake(player_t *player)
 	return false;
 }
 
+boolean K_PlayerGuard(player_t *player)
+{
+	return (K_PlayerEBrake(player) && player->spheres > 0 && player->instaShieldCooldown == 0);
+}
+
 SINT8 K_Sliptiding(player_t *player)
 {
 	if (player->mo->eflags & MFE_UNDERWATER)
diff --git a/src/k_kart.h b/src/k_kart.h
index 6bee97b4b..46f530900 100644
--- a/src/k_kart.h
+++ b/src/k_kart.h
@@ -178,6 +178,7 @@ SINT8 K_GetForwardMove(player_t *player);
 fixed_t K_GetNewSpeed(player_t *player);
 fixed_t K_3dKartMovement(player_t *player);
 boolean K_PlayerEBrake(player_t *player);
+boolean K_PlayerGuard(player_t *player);
 SINT8 K_Sliptiding(player_t *player);
 boolean K_FastFallBounce(player_t *player);
 fixed_t K_PlayerBaseFriction(player_t *player, fixed_t original);
diff --git a/src/objects/block.c b/src/objects/block.c
index ad70ffd6d..bf54f908a 100644
--- a/src/objects/block.c
+++ b/src/objects/block.c
@@ -2,6 +2,7 @@
 #include "../info.h"
 #include "../k_objects.h"
 #include "../p_local.h"
+#include "../k_kart.h"
 
 void Obj_BlockRingThink (mobj_t *ring)
 {
@@ -34,7 +35,7 @@ void Obj_BlockRingThink (mobj_t *ring)
         else
             ring->renderflags |= RF_DONTDRAW;
 
-        if (player->spheres == 0)
+        if (!K_PlayerGuard(player))
             ring->renderflags |= RF_DONTDRAW;
     }
 }
@@ -69,7 +70,7 @@ void Obj_BlockBodyThink (mobj_t *body)
         else
             body->renderflags |= RF_DONTDRAW;
 
-        if (player->spheres == 0)
+        if (!K_PlayerGuard(player))
             body->renderflags |= RF_DONTDRAW;
     }
 }
\ No newline at end of file
diff --git a/src/objects/ufo.c b/src/objects/ufo.c
index 7d8b2ea8e..7a4cf56c0 100644
--- a/src/objects/ufo.c
+++ b/src/objects/ufo.c
@@ -670,6 +670,7 @@ static UINT8 GetUFODamage(mobj_t *inflictor, UINT8 damageType)
 		{
 			case MT_JAWZ_SHIELD:
 			case MT_ORBINAUT_SHIELD:
+			case MT_INSTAWHIP:
 			{
 				// Shields deal chip damage.
 				return 10;
diff --git a/src/p_inter.c b/src/p_inter.c
index 7db485759..b598e9365 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -2209,7 +2209,7 @@ boolean P_DamageMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, INT32 da
 				{
 					sfx = sfx_grownd;
 				}
-				else if (player->spheres > 0 && K_PlayerEBrake(player))
+				else if (K_PlayerGuard(player))
 				{
 					sfx = sfx_s3k3a;
 					clash = true;