Hook Aligners are made with a flexible rubber compound that stretches over eye of the hook and fits securely when positioned. The exit angle for the hooklink material has been being specified so that it improves hooking potential, without closing up the gape of the hook.
Available in Small & Large
Available in C-Thru Green, C-Thru Brown & Silt
The Gardner Covert Hook Aligner is evocative, to say the least, but that's why you're drawn to it in the first place.