boss ds-1 dual lock velcro won't stick well to my pedalboard because of the indents in the pedal. i've thought about using plywood, any ideas on a fix to make it flat?

Modify Your Boss DS-1 : 8 Steps (with Pictures) - Instructables

Boss pedal question Telecaster Guitar Forum

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[NPBD?] Built my own pedalboard a little while ago, the 3M dual lock

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Modify Your Boss DS-1 : 8 Steps (with Pictures) - Instructables

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boss ds-1 dual lock velcro won't stick well to my pedalboard

Modify Your Boss DS-1 : 8 Steps (with Pictures) - Instructables

Looking for way to mount your BOSS style pedals without having to tear off the rubber pad or flip the bottom cover? The pedal adapter simply attaches

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Pedal Mounting 2 of 5 - Velcro And Dual Lock