Some of the major brands have their own doo-hickies for slat or grid wall, but you'd need to be a dealer...

then I found this!
http://www.whatevers-clever.com/...cts_cycling_new.html

Not for saddles, but, I've found that broom handle storage clips work great for bars

---

Anne Barnes
ABBikefit, Ltd
FIST/SICI/FIST DOWN DEEP
X/Y Coordinator
abbikefit@gmail.com