The ant barebow rest design was optimized as a field/stringwalking rest which generally requires skinny shafts under 5mm diameter. The pivot location is high allowing for a flat straight arm that creates the least possibility for deflection. For larger diameter shafts, a bend can be placed at the tip to hold the shaft against the plunger, but I very much prefer a bend near the pivot. This gentle upsweep of the arm will will give a steeper arm angle and hook the shaft against the plunger, but when the arrow passes through it, the arrow is still presented with a straight arm, which, is less likely to deflect or cause further issues for tuning changes that occur during crawling or maybe a slight collapse in form, etc. While shooting. The indoor bend also seems to create a little more space on the back end for fetching clearance so many prefer it even for skinny shafts or if you just are one of those people that struggle with arrow coming off the rest while drawing. Lastly, the indoor bend is extremely useful for hunting setups where you want the shaft to be held tightly in place without risk if falling off when things get exciting.

I like the bend to be about 5/16″ from the pivot. This allows the arm/module to still fit through the bracket for removal. Grasp the arm at the pivot as shown in picture below and push arm up very slightly. It does not take much of a bend and too much and the arrow will be met with a steep approach. Then rotate arm down to center shaft on plunger as always.