Is there an easy way to visually identify braze-on vs clamp-on versions of these shifters?






I believe I've come across a good deal on a set of clamp on shifters missing their clamp. Is there an economical solution for sourcing a clamp? What clamp should I be looking for when searching on the auction site? If I purchase a set of braze-on version, is there a good clamp that will suit them? Is there an uglier less sought after retrofriction shifter I should be including in my searches?