diff --git a/mods/ITEMS/mcl_armor/api.lua b/mods/ITEMS/mcl_armor/api.lua
index 4d6686807..2e5ba1112 100644
--- a/mods/ITEMS/mcl_armor/api.lua
+++ b/mods/ITEMS/mcl_armor/api.lua
@@ -90,6 +90,12 @@ function mcl_armor.register_set(def)
 	local S = minetest.get_translator(modname)
 	local descriptions = def.descriptions or {}
 	local groups = def.groups or {}
+	local on_equip_callbacks = def.on_equip_callbacks or {}
+	local on_unequip_callbacks = def.on_unequip_callbacks or {}
+	local textures = def.textures or {}
+	local previews = def.previews or {}
+	local durabilities = def.durabilities or {}
+
 	for name, element in pairs(mcl_armor.elements) do
 		local itemname = element.name .. "_" .. def.name
 		local itemstring = modname .. ":" .. itemname
@@ -101,7 +107,7 @@ function mcl_armor.register_set(def)
 		groups.combat_armor = 1
 		groups.mcl_armor_points = def.points[name]
 		groups.mcl_armor_toughness = def.toughness
-		groups.mcl_armor_uses = math.floor(def.durability * element.durability) + 1
+		groups.mcl_armor_uses = (durabilities[name] or math.floor(def.durability * element.durability)) + 1
 		groups.enchantability = def.enchantability
 
 		minetest.register_tool(itemstring, {
@@ -117,11 +123,11 @@ function mcl_armor.register_set(def)
 			},
 			on_place = mcl_armor.equip_on_use,
 			on_secondary_use = mcl_armor.equip_on_use,
-			_on_equip = def.on_equip,
-			_on_unequip = def.on_unequip,
+			_on_equip = on_equip_callbacks[name] or def.on_equip,
+			_on_unequip = on_unequip_callbacks[name] or def.on_unequip,
 			_mcl_armor_element = name,
-			_mcl_armor_texture = modname .. "_" .. itemname .. ".png",
-			_mcl_armor_preview = modname .. "_" .. itemname .. "_preview.png",
+			_mcl_armor_texture = textures[name] or modname .. "_" .. itemname .. ".png",
+			_mcl_armor_preview = previews[name] or modname .. "_" .. itemname .. "_preview.png",
 		})
 
 		if def.craft_material then