Trolley Lock Starter ChainTrolley Lock Starter Chain Trolley Lock Starter Chain designed to initiate a nested trolley system equipped with Smartlocks. This essential component attaches to your trolley park infrastructure, allowing the first trolley in the line to be secured whilst enabling coin return functionality. When customers insert a 1 coin into the Smartlock on the first trolley's handle, this starter chain facilitates the connection that releases their deposit upon