Fix it to your helmet straps and do some bumpy off-roading.One way of cleaning your teeth
... so that the trained hamster doesn't get thirsty while cleaning and lubing your chain as you ride along.I was thinking that maybe a hamster water bottle would be a good addition
Pointless was the first word i thought...Pointless bodge - no need for it - doesn't look well fixed - not much fun if it drops into your drivetrain.