A Three-Way Sign Clip can orient flags and signs up, down and perpendicular. They mount easily to C-Channel (Tag Channel). But can also easily mount to related Hook Label Holders.
For other unique small-scale communication SEE…
“Subdued Shelf Edge Micro Flag“
“Odd Label Violates Silhouette“
“2012 Tiny Label Holder Award”
“Cross Sell Postage Stamps at the Shelf Edge”
“3-way Sign Clip Creativity“
“3-Way Sign Clip on a Hook“