With old inner tubes you can: - Fix a hole on a pipe - Fix an irrigation hose on a tap - Join two irrigation hoses of different diameter - Fix an engine part - Repair a leaking sink drain - Rubber band for a garbage bin - Increase your grip to open a jar - Rebuild a damaged seal - Lock a flashlight on the bike handlebar - Improve the grip of a tool - Keep tools together - Tools and inner tubes holder on a bicycle - Cover for the handlebar knob - Non-slip rubbers - Outdoor bottle holder - Backpack rubber band - Pet/dog harness leash More info on https://www.per.umbria.it/ or https://www.youseful.org/