Ah yes I know the clips your talking about... I think I have some someplace. We have only sold two or three Burley bents at the shop. One of them I had to replace the Corbin seat with a RANS seat to make the customer happy, not diffacult at all. I have been asking Burley when we may see a tandem recumbent offered from them. It would only seem to be the next step as there one of the largest builders of tandems. They hyave also started building singles and the Alum tandems look great, and ride better.
"When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking." - Arthur Conan Doyle