Host David Thiel demonstrates a couple of cool tools, including a device that makes changing blades on the table saw much simpler.
A mitered frame can be tricky to clamp. You have to apply pressure in all four directions to prevent the sides of the frame from binding. Miter clamps have sharp nails on the ends that dig into the wood to hold the corners together tightly.

 Miter clamp
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Since miter clamps work because of the pressure applied, you will need a special tool (figure A) that gives you the extra strength to open and close the miter clamp (figure B). Place a clamp on each corner of your frame to hold it tight while the glue dries (figure C).
A lot of woodworkers use a board to prevent the blade from rotating when theyre changing out blades on a table saw -- which really isnt good for the blade. This blade changing device holds the blade in place and covers the teeth so that you dont scratch yourself on them when youre loosening the nut that holds the blade in the table saw. Its plastic, so it doesnt harm the blade (figure D).This cool tool fits around the entire blade (figure E). Clamp it together (figure F) to hold the blade in place while you loosen the nut. Then, remove the blade while its still in the cover. You can hang the entire unit on a peg to keep the blade protected when not in use.
RESOURCES :
Bench Dog Blade Loc
3310 Fifth Street NE
Minneapolis, MN 55418
Phone: 800-786-8902
Fax: 612-788-2518
E-mail: info@benchdog.com
Website: www.benchdog.com
The Saw-Jaw
Phone: 800-SAW-9366
E-mail: higol@cfu.net
Website: www.saw-jaw.com
Collins Miter Clamps
Collins Tool Company
P.O. Box 417
Plain City, Ohio 43064
Phone: 888-838-8988
Fax: 614-873-1676
E-mail: contact@collinstool.com
Website: www.collinstool.com
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