Only foot straps I put on mine where on the wings themselves. Where the tube make a 45 degree or so angle by the sterns. I used these:

https://store.catsailor.com/ProductCart/pc/viewPrd.asp?idcategory=0&idproduct=8441

and only when it was honking going to weather. The are nice. When sitting on the wings, just put on feet in stock straps or wedge them against the hull and lean back. Have fun!!

Doug