how should I cut my grinding belts?

[chknifemaker]

what are some ways I can cut grinding belts down in thickness? I want to be able to have 1x72 and some other sizes but don't know how yet any help would be great
Thanks

 

[RevDevil]

You can buy them in various thicknesses, even in .25" and .50".

 

[Grayzer86]

USA knifemaker makes a belt splitter to cut 2 inch belts in half.