is it completely necessary to drill a bigsby on a lp. i see on the bottom the strap button can hold it on, and my friend said the tension of the strings will keep the top against the body, and theres enough rubber feet where it wont make any markings. does this sound plausible and is this recommended?

thanks all
Mesa F-30 - 1x12 V30
PRS SE Custom 24 (GFS Crunchy PATs)
PRS SE Singlecut (Evo/Air Norton)
1989 Starforce (GFS PowerRails)
Morley Tremonti Power Wah, TS7 (808-Mod), Pitchblack, Boss DD-3, DE FnC