Slat Chalkboard Sign A Slat chalkboard is a fantastic way to show your menu. Slats hang on solid brass hooks and can easily be changed. Naturally you can have the slats pre-written. This slatted chalkboard was created for the Bad Martha Brewery in Edgartown, Massachesetts. Of course you can order extra slats. The slats can be any size you want. The framing on this custom chalkboard is faux finish meant to look weathered. And the logo is sealed permanatly.