What are distress crayons?

What are distress crayons from Tim Holtz? Can I stamp on them? What pens will write on them? I created an art journal page so I could find the answers...and have fun playing too! Visit the blog for photos and links at https://acolorfuljourney.com/?p=18385 Get free Sparks of Art-spiration in my newsletter at http://acolorfuljourney.com/?page_id=... Carolyn Dube http://acolorfuljourney.com/ Join the fun in my free mixed media workshop Permission to Play http://acolorfuljourney.com/freebies/... Instagram   / carolyn_dube   Find me on Facebook at   / carolyn.dube.3   Join the conversation and share what you're making in our Facebook group at   / 1653707154911287   Find me on Twitter @CarolynDube1 Find me on Google Plus at https://plus.google.com/u/0/+CarolynD...