There are many different ways to saddle bridge slots, but the most common way is to use a wooden block with a hole in it. The block is placed over the bridge slot and the hole is positioned over the string.
The player then uses a screwdriver to tighten the screw that holds the block in place. This method is easy to use, but it can be difficult to get the screw tight enough.
Another method is to use a metal bracket that has a hole in it. The player places the bridge over the bracket and screws it into place.
Then, he or she uses a wrench to tighten the screws that hold the bracket in place. This method is easier to use than the wooden block, but it can be more difficult to get the screws tight enough.
The final method is to use a spring clamp. This clamp has two pieces: one that fits over the bridge and one that fits over the string. The player places the string over the top of the spring clamp and then screws it into place.
The clamp can then be tightened by turning a knob on top of it. This method is easy to use and eliminates the need for a screwdriver or wrench, but it can be less secure than other methods.