1, put it in water to see if there are any bubbles.

2. You can put it in a low temperature place and take it out at room temperature in about half an hour. About ten minutes, see if there are any water drops or fog on the air cushion. If there is air leakage, it will expand with heat and contract with cold.

Bubble spray series is a signature sneaker endorsed by Hardaway. However, the foam spray was not designed for him at first. Bubble spray was originally tailored for Pippen, but it is said that Pippen felt that the shoes were too heavy, which affected his performance on the court, so Penny Hardaway spoke for him.