The BMF Tri-Glide Strap allows for quick adjustment on the fly thanks to its tri-glide adjuster—just slide it up or down the strap to find your desired length, and you're ready to hit the next song. Like all BMF Leather Straps, this 2. 5'' strap is designed with soft, luxurious leather that sits comfortably on the shoulder, breaks in fast, and provides a lifetime of use.