I did drill a small hole before installing mine just to help. I also mounted mine where youre pic indicates, however, some have said they put theirs on the rod box so that they can open their lid and still have their rods strapped. I never thought of that idea but it makes sense.Jim EbarbMany, LA (Toledo Bend Lake)2004 Cougar/ 225 OptimaxHumminbird Helix 12 Chirp SI on BalzOut Mount at bowLowrance HDS 7 at bowHumminbird Helix 12 Mega SI on Ram Mount at ConsoleLowrance HDS 8 in dash at console