Use toothpicks as dowels

Round toothpicks work great for joining boards. When the boards are cut and ready to assemble, drill pilot holes (the same diameter as the toothpick) in two corresponding spots on each board. The pilot holes must be in the exact same spot on each board, so it’s smart to use a square when measuring. Next, apply glue to the toothpick and tap it into the hole. When the glue sets, cut the toothpick to the right length to fit into the other board. Then add glue to the toothpick and the board edges and join the boards. Clamp to dry. You’ll have a nearly invisible fastening job.
Keep pots from boiling over

No one wants to clean up the mess from a pot that boiled over. Avoid the mess by sticking a toothpick between the lid and the pot, ensuring the device is laid flat. The small space will allow the steam to escape, thereby keeping the pot from boiling over.
Fill in stripped screw holes

When the screws in your hinges or drawer slides turn but don’t tighten, it means the screw holes are stripped. Here’s how to fix that! Remove the screw and hardware. Dip toothpicks in glue, jam as many as you can into the hole and break them off. Either flat or round toothpicks will work. Immediately wipe away glue drips with a damp cloth. You don’t have to wait for the glue to dry or drill new screw holes; just go ahead and reinstall the hardware by driving screws right into the toothpicks.