Make a wooden clamp, effective and simple to make. - YouTube It would be cool to make one that fits in miter slot.
Bench Vise (ShopNotes style)
This is how post/leg vise were made.
Vise and Grinder stands. I'm looking for ideas on how to use several in limited space - Page 17 - The Garage Journal Board
Antique unusual anvil vise,,Champion Blower & Forge Co.
How to Build a Twin-Screw Vise | DIY Woodworking Tools #10
Bench Vise Plans - Workshop Solutions Projects, Tips and Tricks | WoodArchivist.com
Screwless Vise by Joe in Oz -- Homemade screwless vise machined from cast iron and cold rolled steel. Measures 4" wide and has a maximum opening of 6". http://www.homemadetools.net/homemade-screwless-vise-2
Instant Workbench Vise - Workshop Solutions Projects, Tips and Tricks | WoodArchivist.com
Detail Hand Vise - Lee Valley Tools