Strap adjuster with torque-limiting functionality

A strap adjuster comprising:

• a frame with first and second sidewalls,
• a shaft rotatably seated in first and second shaft-seating openings of the first and second sidewalls, the shaft having a long axis that defines an axial direction of the shaft, frame, and strap adjuster, and the shaft being configured to allow an end section of a first strap to be attached thereto,
• an adjustment knob disposed on a first end section of the shaft so that at least a majority of the first end section of the shaft resides in a cavity defined in part by a radially-inward surface of the adjustment knob,
• and,
• a pin mounted in a radial bore located in the first end section of the shaft, the pin being positioned so that a head of the pin is located proximate a first, open end of the radial bore and the pin being biased so that the head of the pin is urged radially outward from the first, open end of the radial bore,
• wherein a first portion of the radially-inward surface of the adjustment knob defines a first interior annular collar that is configured to accept the head of the biased pin thereinto, the first interior annular collar comprising at least one first circumferentially-oriented notch defined on one circumferential end by a circumferential wall and defined on a second, opposing circumferential end by a circumferential ramp.