I swapped my Fyxation straps which wouldn't stay open for YNOTs and have been very happy.

I rode with Holdfasts for years and like them OK till they wore out. I got the Fyxations cheap thinking that all footstraps are pretty much the same but the Fyxations were sorta floppy and difficult to get into. Someone suggested YNOTs and they are much stiffer and stay open and are easy to get into. Highly recommended.