BreakFree is Belkin’s fix for crazy rockers who can’t get through a set without ripping up their amp or guitar’s cord jack by flailing around too much. One part of the $20 two-piece kit fits in the cord jack, while the other goes to the cord itself. BreakFree will provide noise-free dynamic sound without any degradation in audio quality. The product makes guitar swapping seamless without the hassle of shutting down or putting your amplifier on standby. Out in September, press release after the jump.”]
Source: https://gizmodo.com/belkin-breakfree-macbook-magsafe-cable-for-your-guitar-5024028