Every time I lock my bike to a wall loop I fear a topologist will appear and prove my bike is not attached to the loop, or in fact, not even locked

#cycling

@oivaeskola it doesn't take much of a topologist to prove the worth of many of the City of Monash "secure bicycle facilities" - see https://flic.kr/p/2k6iMr2
2020-11-07T08.14.25_samsung

Flickr
@ajft that’s not very good 
@oivaeskola it is surprisingly common, or at best they whack a wedge-peg in along the side, but you can lever them out with a big screwdriver