The rig must be able to reset itself should a carp or bird pick up and eject the presentation.
The gape must be wide.
Needs to be as short as possible.
My hook needs to be changed instantly should it blunt on gravel or after a fish.
Most importantly, it cannot tangle!
The mechano does it all and this is due to the inherent stiffness in the IQ rig material, complete with Choddy hook and Mouthtrap. It’s best fished as an out and out boilie rig over a spread of free offerings. For hard bottoms, you can fish the fluorocarbon as stiff as you wish and adapt it to softer bottoms by tying a softer link – the options are endless.