Review on 📷 Foto&Tech 2-In-1 Hot Shoe Cover+Level Replacement for Nikon D780, Z6, Z7, D850, D7500, D5, D500, D750, D800, D800E, D5600, D5500, D5300, D610, D7200, D7100, D3400, D3300, D5200, D7000, D60, D80, D90, D600, COOLPIX P1000, P7800 by Brandon Addison

I bought this primarily as a cover for my hot shoe on my Sony a6000. It's made of rubber so it fits snugly and protects the sensors on the hot shoe. I thought it was great that he also had a level. I have another level that levels itself in four directions when I really need it, but it comes in handy. You have to be looking at it, so you have to use it with a tripod or when the camera is on a stable surface below you. This only works if you're using a screen that you can look down at while looking at the plane. It's still useful and profitable when you buy other things.