Add one of these to a shoulder strap and it will make you load more bearable, and help keep the shoulder strap from slipping off your shoulder
CarryLight Fabric Shoulder Strap Super-Comfy Hands-Free Carrying
Pro Tec Deluxe Neoprene Non-Slip Shoulder Strap Pad
Tough1 Magnetic Crown Piece
: Electronics
Detachable Shoulder Strap Pad Bag Shoulder Pad Rifle Sling Pad for Backpack, Camera, Laptop, Messenger, Guitar (2 Pack)
Kånken Backpack Shoulder Pads - Fjällräven
Trimmer Shoulder Strap - Lee Valley Tools
Backpack Shoulder Strap Pads (BP-162, BP-177)
Billingham Shoulder Pad SP40 (Chocolate Leather)
The Shoulder Pad Series is an upgraded version of the vintage straps that Fender, Gretsch, etc. used to ship with their guitars., The base strap is
Shoulder Pad Series 1.5 black leather guitar strap
Shoulder Pads For Straps