Images × Crafty Mouthpiece Set x 4 pcs. Crafty Mouthpiece Set x 4 pcs. Previous Next Set of 4 Mouthpieces for the CRAFTY Cooling Unit. Storz & Bickel £11.92 Out of stock SPECIFICATIONS This is a set of 4 replacement Mouthpieces for use with the Crafty cooling unit. Why wait until you are in need of a new mouthpiece? Order yours today so that you're never caught without any spares! From Seedsman of course!