I won't bore you with loads and loads of technical stuff at this stage but just try and understand one guiding principle:-

IF YOU NEED ACCESS COVERS FOR ANY PURPOSE YOU NEED THE EXPERTISE OF CHANNEL COVERS LTD.

(Perhaps we should rename our company 'MARTINI' - anytime, anyplace, anywhere, it's the right one it's 'MARTINI')
Do you need help trying to keep a secret? We have an entire range of discrete covers and frames seeking a relationship with you. No-one need ever know.