Hook rulers have been around for ages. They're advantage is the ability to quickly and exactly reference the starting edge of a board. Woodpeckers has taken this idea and developed a simple hook...
- Not compatible with SERX Straight Edge Rules
Hook Stop Review
Perfect for extending the use of the rule.
Do not be fooled by the picture. This piece is not very big. The length only goes past the edges of the ruler by maybe a few mm. If it was longer, it could be used easier to make sure the lip is completly flush on the wood.