The wrist strap gives me complete freedom of movement with the second camera, and at the same time be sure that they do not bang on the floor, if they should slip out of my hand once.
The actual wrist strap is made of neoprene and is pleasant for my hand / my wrist sufficiently large (in glove size 9.5).
It is held together very stable with rivets and opens into a wide fabric strap that can be easily passed through the strap holder on the DSLR. This loop is clean sutured several times and gives a good impression.
Between the two elements there is a tight-fitting buckle, which allows you to quickly disconnect the camera from the wrist strap.
While this is convenient, but also the real potential source of danger in this design. If the buckle sometime not quite pack, if necessary, the compound dissolves under stress and the damage would then maybe large.
I have decided for myself that I want to make use of this press-lock and both elements of the closure by a black cable tie interconnected permanently. Optical falls not on, and can come off as definitely not more.
Because the value for money is exceptionally good and functionality and handling safety are given (at least in the modified form of me), I would recommend anyone DSLR users, they view these wrist strap once.