ZBS clamps by Profile Design?

http://www.profile-design.com/profile-design/products/aerobars/aluminum-aerobars/zbs-s-bend.html

The PD clip-ons seem to be pretty similar to all clip-ons (albeit low-profile). What I really like about the HC ones is that the extensions just go straight into the drop bars. Those are pretty darn expensive though.

I always use my tri bike. I do sprints oly and half's. (I am doing my first full at IMMT in 2015)

I have a road bike which I ride training and for fun and I think the only reason I would use it is if I was in a "draft Legal" race where it would be advantageous over a tri bike.

I use my tri bike . I like the bike so it's my goto bike.
A friend of used a beach cruiser and board shorts on a sprint and actually did pretty. That being said , use what makes ya happy. It only a 13 mile bike.
One day it would fun to use an old pennifarthing