Washi tape dispensers you probably already have

 Light shines gloriously on those who use tape dispensers.

 So these are the normal clear plastic tape dispensers that you get with scotch tape. The last time my scotch tape ran out I thought, hey, I could use these for washi tape!

Here's the deal: not all washi tapes will fit, but most do. The plastic dispensers make the tape much more bulky, so I only put two of my most used washi tapes in them. The dispensers also make it very easy to tear and you get this cool (I think) look at the end:

And you can pat yourself on the back for RE-USING!!!