You can also store them flat and then just inflate when you actually need the air. Saves on size and weight for ultralight applications.
Pile cushions.
use larger tube cutoffs as band for keeping cook kit together - hobos,crusaders etc and as storm cuffs for trousers or jackets
Time is precious - waste it wisely
Use them for storing dehydrated water? At 1kg per litre, it really saves on weight and pack size.
Martin
Sometimes your joy is the source of your smile, but sometimes your smile can be the source of your joy.
As kids we used to make catapults with the rubber from inner tubes. Car tubes were stronger, but bike tubes stretch better - certainly easier for little kids.
You can use tubes tied off one end with string coming through to mold your own candles from stumps.
bit speicalized this but your can cut them to make and easy sound moderator cover for your air rifle or rimfire.
"There's enough in this world for everyones need, but not enough for everyone greed"
Ghandi
"only when the last tree has burned, the last fish has been caught, the last river poisoned, will we realise we cannot eat money"
Use lengths of them to stop tailgate chains rattling on "propper" Series Landrovers.
Use them as bungy straps for load lashing.
Slide a shortish bit on a plastic Mora sheath so you can store a firesteel, needle etc on the sheath - also makes any paracord whipped onto the sheath stay in pace better.
Dave