adds data gathered from various breakpoint tests into a comment

code/game/objects/items/grenades/grenade.dm

@@ -147,10 +147,16 @@
 
 /obj/item/grenade/attack_paw(mob/user)
 	return attack_hand(user)
-
+//I should add a check to see if the projectile hits the active_hand_index -- hand_bodyparts [1] = left arm, [2] = right arm -- held_items[2] == type(obj/item/grenade) -- hitby.def_zone = "r_arm"
 /obj/item/grenade/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
 	var/obj/projectile/P = hitby
-	if(damage && attack_type == PROJECTILE_ATTACK && P.damage_type != STAMINA && prob(0.5)) //0.5%, not 50%. Yeah. DM is weird like that.
+	var/list/valid_hands = list(FALSE, FALSE)
+	if (owner.held_items[1] != null)
+		valid_hands[1] = TRUE
+	if (owner.held_items[2] != null)
+		valid_hands[2] = TRUE
+
+	if(damage && attack_type == PROJECTILE_ATTACK && P.damage_type != STAMINA && prob(2)) //2% chance to go off
 		owner.visible_message("<span class='danger'>[attack_text] hits [owner]'s [src], setting it off! What a shot!</span>")
 		var/turf/T = get_turf(src)
 		log_game("A projectile ([hitby]) detonated a grenade held by [key_name(owner)] at [COORD(T)]")