To ensure your straightedge doesn't shift while you draw, attach sandpaper to your yardstick (or any of your layout tools).
Starter Kit for Smooth Surfaces
WoodRiver - #80 Cabinet Scraper
Schmidt's Fine Woodworking
A Woodworker's Layout Tools: Marking - FineWoodworking
Install Drawers Without Metal Slides
Sandpaper - Fine Homebuilding
What's the Best Tool for Accurate Layout? - FineWoodworking
Woodcraft Supply Shop Woodworking Hand Tools, Power Tools, Wood, Projects & Materials
Sandpaper - Fine Homebuilding
Everything You've Ever Wanted to Know About Chisels
POLIWELL Micro Sanding Tools 3.5” x 1” Detail Sander for Small Projects, Mini Handle Sander Kit+ Sandpaper 40 80 120 180 240 400
A Woodworker's Layout Tools: Marking - FineWoodworking
Creating a Garage Workshop: Design and Organization Tips - Overhead Door Company of Battle Creek Jackson and Ann Arbor
Wal-Board Tool Hand Sander 3.25in x 9.25in, Wind-lock
FINE WOODWORKING MAGAZINE December 1995 No. 115 Half-Mortise Lock etc