Twin tip / dual tip (whatever you want to call them) are those nifty pens with the fat tip at one end (that I use for headings) and thin tip at the other end (that I use for general writing in my p…
Twin Tip Marker Tips (plus a sneak peek!) - the CLASSroom
Emily Ley Simpified Planner collaboration with At A Glance Review
Favorite Twin Tip Markers for Planning (Roundup)
Erin Condren 6-Pack Dual-Tip Marker Set - Earth Tones
Pen Comparison – is there actually a difference in ink color
All About Planners – Page 115
Bullet journal weekly spread using Notebook Therapy Stencils
Top 10 Products for Planner Fanatics - Tombow USA Blog
Tombow TwinTone Dual-Tip Marker Pen Set, Broad & Extra-Fine Tips
How I use different types of pens when planning
Tri-Coastal Planner Review (Pros, Cons and Video Walkthrough)