PRN is an abbreviation of the Latin pro re nata, which means “as needed” or “as the circumstances require,” and is often used in medical treatment directives.

This is a mitten prescription using whatever yarn you have at hand. It is especially created for anyone who feels like a swatch is just a delaying tactic to discourage you from getting started. You will not need to check your gauge because this is a knit-to-fit mitten.

Also calling out to all toe-up sock knitters: this mitten is for you. Start at the fingertips and work your way to the wrist. This pattern is for stash-busters and those who play yarn chicken, too. Those different-yarn cuffs can look like a design element if you find yourself short.

Of course, once you understand the prescription don’t limit yourself to working-class plain stockinette – add color designs, cables, twists, textures, etc.

For a women’s medium-size mitten in worsted-weight yarn, allow about 200 yards. Thicker yarn requires less yardage, but more total weight.

Danish translation available here with many thanks to Marianne Holmen.