The buttons feel better than the originals, soft and pleasant touch and also work smoother when tightening, by conductive silicone pad of the SNES control pad.
SNES to Ps2/Ps1
Ps1/Ps2 to Dreamcast
Ps1/Ps2 to Xbox Original
Ps1/Ps2 to Xbox 360 and PS3
Ps1/Ps2 to USB PC
SNES to NES Classic Mini/SNES Classic Mini
Ps1/Ps2 to Game Cube and to Switch
Ps1/Ps2 to Wii
SNES to NES…
edit: about the hot silicone on welds, I’ve seen it in welding cables RGB/scart and consoles. It’s okay to put it in the welds. It is to hold them. I cannot find any problem in that.