Nothing to say about these small carriers. Quality / price / transportation: Excellent The tightening is effective and as said in another comment, a little grease on the threads does not hurt. Caution, however, during this manipulation, not to lose the small springs recoil of the movable part that facilitate the introduction of Flash. Considering the price, do not hesitate to buy more because it can be placed on any supports (tripods, clamps, Galoripar ....) to place your flash anywhere.
