Two instruments that should alternately be operated via one amp, but only one jack socket on the amplifier? Or two guitars via an effects device? The CFY PGG adapter cable is the simple and appropriate solution.
With its 6.3 mm mono jack plugs to 2x 6.3 mm mono jack sockets, high quality connectors from the Neutrik® family (REAN by Neutrik®) and gold plated contacts to prevent corrosion, it is designed for such purposes. The wire cross-section of 2x 0.22mm² ensures a good signal transmission combined with great flexibility