Product(WX746L.9) 20V MAKERX HOT GLUE GUN - TOOL ONLYGlued shoe soles are not adhesive
(WX746L.9) 20V MAKERX HOT GLUE GUN - TOOL ONLY

Glued shoe soles are not adhesive

Try this solution

Use a specialized adhesive

Possible cause:
Moisture causes leather to puff up and creeps under the bonding location.