The Imp is a clever ideaa.  It is is, a small neat bait clip that fits into the fast link and can be added or removed from rigs during fishing. All Imps come with a Fast link

• Miniature Impact bait clip
• Works with Breakaway Fastlink (supplied)
• Excellent hook release upon impact
• Works with any fishing lead
• Use to make wishbones, pulleys, loop, cascade and clipped down rigs
• Comes with instructions
• Available in packet of 10