In previous posts, I explained how I try to use my bike as much as possible : from commuting to grocery shopping.
From time to time, my ride doesn’t justify the need of taking my pannier and I end up riding with my needed items in one (or both) of my hands such as a bike lock which can be too cumbersome.
My wife just found a remedy to that as she has sown a frame-bag with recycled tubes donated by the Fort Collins Bike Co-Op. That way, I can go on a ride and put all the items in the framebag without having to take my panniers.
The other idea is that it will also be useful when doing touring trips.