Cut up an old plastic water bottle (watch out for the sharp edges though - I put gaffer tape round mine), drill/punch a little hole in it and the mudguard, then cable tie it on. Spot of extra gaffer tape to hold it nice and steady and ker-pow.
@BobbyBriggs started
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Cut up an old plastic water bottle (watch out for the sharp edges though - I put gaffer tape round mine), drill/punch a little hole in it and the mudguard, then cable tie it on. Spot of extra gaffer tape to hold it nice and steady and ker-pow.