Set of 4 handy shopping cart keys come in quarter (.25) and loonies ($1) sizes. Simply insert the key to release the shopping cart. Each set is made from durable plastic and comes with a key ring. Don't ever get stuck without a shopping cart again. Unlimited production capacity so bulk orders are welcome. See link below and buy directly from Amazon.
https://www.amazon.ca/gp/product/B0C3K528GP/ref=cx_skuctr_share?smid=A1Z2E656PIKRQ
