Easy and quickly!
This is a pattern for crocheted Waved Arm Warmers!
This will be wonderful one skein project, as you need only 50gr of yarn. I used soft merino wool, but you can try to make them with any other yarn you prefer.

Pattern is available for free: http://monpetitviolon.com/free-patterns/

I am always available for questions if you have any problems with your pattern.