This multi use comb picks are a great addition to any lockpick set. They allow the lockpicker to exploit tumbler pin locks by pressing all the pins past the sheer line. This is most common in padlocks like masterlock.
The opposite side of the tension wrenches are knotched for top of keyway lockpicking but can also fit in bottom of the key way to.
One of these comb picks is fitted with a tubular lock tensioner. This is more challenging but can be unlocked with single pin picking.