Solving the snowy seat problem
The last thing in the world you want to set your buns down upon is a frozen ice and snow-encrusted bike seat.
If you have to ride an icy-coated seat you are in for some bad news when this ice melts, because then you will have wet crotch. A wet crotch is especially unwelcome in winter.
Snowy icy bike seat is bad news
Disposable grocery bag to the rescue.
Many cycles are adorned with disposable grocery bags acting as snow condoms to release snow with a quick shake.
The PA bag is especially popular in the Mile-End part of town.