Show others your love of knitting or crocheting...or both!  These car window clings are easy to put on and easy to remove.  
 
For knitters...there is a ball of yarn with knitting needles .  This is a clear window cling with white markings.
 
For crocheters...there is a ball of yarn shaped like a heart with a crochet hook.  This is also a clear window cling with either white or black markings.