There are even modern zri that are left uncovered by fabric or vinyl, and the shoe, except for the inner sole, is black, hard plastic with a non-slip outer sole.
Each shoulder strap has a web loop and a non-slip buckle on each of the straps in the front and one at the back through which the adjusting straps pass.
It has been left gradually to fall into disrepair and neglect with graffiti and litter and a dilapidated cross-over bridge lacking non-slip surfacing to the stairs.
The polymer grip has a non-slip surface on the sides and both the front and rear straps and a slightly funneled magazine well to aid magazine insertion.
Changes could include minimizing clutter, installing grab bars in the shower or tub or near the toilet, and installing non-slip decals to slippery surfaces.