Lens Caps
Not all lens caps are equal. Even some very expensive lenses
come with crappy caps. I just throw them in a drawer. What you
need is what is called “Inner Pinch” caps or just pinch caps. They
are inexpensive and I find it worthwhile to replace all the caps that
demand that you pinch the outer edges with inner-pinch caps.
Much easier to use and keeps your fingers away from the edge of
the lens.
McClamp, Plamps, and Articulated Arms
There are a number of articulated arms available with a clip of
some sort on each end that clamp onto your tripod or whatever.
They give you an extra arm to hold a reflector or whatever you want
to use. The problem with most of them is they are not very strong,