After I installed my TackTicks on a mast bracket, I replaced my cunningham with smaller blocks and line so it runs between the bracket and the mast. It is made from a Harken Dual Bullet Block 084 (1-1/8" Dia) and Harken 2658A Carbo dual Fiddle with Becket. I use approximately 10 feet of 5/16" New England Ropes Staset. I spliced an eye in the end attached to the Becket. A length of Staset is attached to the top of the 084 bullet block with an eye splice and tied with a bowline to a standard 304 stainless cunningham hook. This is where I set the maximum length of the cunningham so there is sufficient distance between the upper and lower block for cunningham adjustment.
There is a sheet stopper on the line as it exits the cam cleat on the fiddle block. The fiddle block is attached with a shackle on the bracket at the base of the mast where my boom kicker base is fixed.
I'll get some pictures next weekend and post them.