When you often use your joy-con, your grip will unable to catch the joy-con, easy run out, so this buckle can solve your problem.
This part must be fitted internally and requires you to open the SW console to install the part, the consoles shell must be unscrewed and removed in order to fit this cover to the inside of the consoles housing shell.
Requires console disassembly and technical knowledge to install.
Specification
left and right buckles
Weight: 6g
Material: alloy
Packing : PE bag
Package include:
1 Sets Buckles (left and right)