Yes I got everything on Amazon. BTW you should check out /r/BdsmDIY.
Webbing: Strapworks Heavyweight Polypropylene Webbing
Tri-glide slide: Strapworks Black Plastic Tri-Glide Slide
Single buckle cam: MELOTOUGH Cam Buckle 1 inch Tie Downs Buckle Cam Straps 10 pcs
Double buckle cam: Strapworks Twocam Metal Cam Double-Sided No-Sew Webbing Buckle – 1 Inch – 2 Pack, Black
Bolt snaps: Strapworks Black Metal Bolt Snaps
Carabiner clips: Carabiner Clip 5 Pack - Multipurpose Heavy Duty Carabiner
D-rings: SKEMIX Extra Thick 4mm Welded Strong D Shape Rings D Ring Metal Heavy Duty Black 1” Inside Width