I've got an antique mantle clock in for repair that has definitely seen some better days. Signs of a previous mainspring failure are that around 5 teeth were taken out of the 2nd wheel on the chime side, which a previous repairman repaired by drilling a few holes radially and substituting 2 or 3 metal pins/missing tooth to act as gear teeth. These were hard soldered, with subsequent metal damage and discoloration of the wheel. I will leave this as-is, as it is functional and the client does not wish to have this repaired. So, my present dilemma: 1. All three mainsprings have broken/torn ends. Two of them on the outer ends, one on the inner. I am replacing all three springs as the metal is getting brittle in other areas as well. 2. One spring end has been torn & peeled back within 1/32 of the spring's end. By peeling back, it has also cracked the stamped tang-style spring hook to the point that it was also barely hanging on. As a matter of fact, it broke off whilst removing the spring! What would you use to make a new spring hook (tang style)? How? Or would you fabricate a steel hook (round, nail-head style) and rivet this into the barrel? Thanks for your input.