[adrianpike]

Things flap around a ton at speed on a bike - I've got a little toy on my keyring and at anything past freeway speeds it moves around a _ton_.

[nf05papsjfVbc]

Also, it minimises chances of the tank getting scratches from objects attached to the key. At times the things on the keychain get into the well of the lock beside the key and sort of get in the way while turning it.

[StavrosK]

Oh yeah, both of those definitely happened too.