I have a little cheap pocket hole jig, but for this one I need always a clamp to fix it.
So I decided to build a little jig for this jig.
It is designed for my "clamping box" but you can it easily adapt to your workbench.
But I have also an Instructable for my "clamping box"
Step 1: Gluing Two Stripes on the Main Board
My pocket hole jig has a little shoulder of 6 mm, therefore I glued two boards of MDF with 6 mm thickness left and right from the jig.
Step 2: Making a Pedestal
I screwed 3 little boards of plywood on the back of the main board to build a little pedestal to support the toggle clamp.
Step 3: Screw the Toggle Clamp on the Pedestal
I put the pocket hole jig and the toggle clamp in there position and then I screwed the toggle clamp on the pedestal,
Step 4: Glue the Jig on the Clamp
I put a big drop of hot glue on the pocket hole jig and then I pressed the clamp down and waited until the glue was cold.
Step 5: Clamp the Whole Jig on the Workbench
Here you can see how the jig is fixed on my workbench.
Step 6: Adjust the Drill
You can easily lift the clamp and adjust the drill if it is necessary.