I had never thought about designing that tenoning guard which became real by chance but I couldn't do without now. It is merely an assembly made up of three other shop made accessories. Hence my main concern was about handling the three elements tool-free but mostly such way they do not require much time as regard lock and removal on the carriage.

The sliding table clamps were designed to be quickly locked and are the first step in the process. Then clamping the two plates on the mount doesn't demand much time with the help of the shop-made knobs.

I machined two apertures in the angle fixture that enabled the gap between the two plates to be widened or narrowed. It locks on top of the plates with two nut-knobs and strengthens the tenoning guard. The assembly process doesn't take as much time as I thought, good news.

Here is how the guard hides the front of the spindle moulder fence when loading the workpiece on the sliding table then after machining. In both cases the guard makes a shield between the operator and the cutter head.