https://www.amazon.co.uk/gp/aw/d/B007VE883O/ref=mp_s_a_1_1?ie=UTF8&qid=1492457422&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=marvel+strap+locks&dpPl=1&dpID=41oUpCbUOxL&ref=plSrch
I use the marvels, got them on all my basses, you can get them in chrome , gold or black ,
you can buy the guitar fixings seperately, ive never had a problem in 5 years , thoroughly recommended