Quick plumbing question...

[mark]

And lots of the holders are made to take a screw. Depending on type might need a countersunk head screw for clearance of strap.

Originally Posted by Delphinus

Mark's stuff is the stuff I was trying to describe. That should work well.

If you do end up using cable ties though, you can get these little stick-on cable tie mounts for them (again available more or less anywhere that sell these sorts of things .. HD/Rona/etc. or electronic supply stores)