Bail (or Bai)e bar straps for added security on crampons that don't already have them.
These kits consist of a pair of metal straps, a pair of nylon straps and 4 sets of rivets. You will need a set of molegrips or a vice to put them together.
First, rivet the metal straps on to your wire front bales. Be careful to get them the right way round - it's obvious when you look! Then work out what length you want the nylon loop to be and rivet it on via the appropriate hole.
Be extra careful that the metal part of the strap doesn't act as a spring and ping the rivet across the room as we do not have spares of these rivets and will not be able to help if you lose one!