probably try cut up a plastic bottle, drill a few holes and ziptie it on.
Do it, add an inner tube to the bottom of the plastic bottle too.
Might try that, although i need a drill first...
It's plastic, you can use a small screwdriver to make a hole, abet take a little more care.
@Aches started
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Do it, add an inner tube to the bottom of the plastic bottle too.