Maintenance of Weapons, Equipment, and Mounts

Neglecting their weapons and equipment is a common problem of sloppy soldiers. Saddles need to be oiled, blades need whetstones.
Maintaining weapons, armor, and equipment requires a Perception + Crafts (difficulty 5) roll every week. A single success is all that is necessary. A failure means something is overlooked. A character may find a one-die or +1 difficulty penalty with their weapon, tool, or armor at some future point. A botch indicates some equipment is severely damaged by accident.
Proper grooming and care for a horse requires Perception + Animal Ken or Perception + Ride, whichever is higher.

Requiring maintenance of mounts and gear is realistic, but it can bog down narrative pacing. If requiring rolls on this will bog down the game, game masters don't have to make a point of this if they don't want to.