Vergo

A birdie is like a worse grigri by most measures. It weighs 1 ounce more, doesnt feed any better, and doesnt have a progressive lowering handle which makes the lower less smooth. It is cheaper but I would not recommend it or the madrock lifeguard. They are inferior to grigri and its other clones Dep

Get the book “On the Line” by Andy Kirkpatrick. Every device has upsides, drawbacks, and failure mechanisms and that book is as close as there is to a comprehensive guide to TRS. That book unpacks all of those and also describes how to pair them in the way that makes them least likely to interact wi

I love my trango vergo. It feeds as quick and with less friction than the grigri and you don’t have to thumb a cam, which disables the safety on the grigri. Highly recommend.