I recorded this while putting together this bike seat. Hopefully it helps clarify the instructions! *Note* I lost the clear plastic pieces that it came with. In the video, you will see black gaffer tape I used instead. I hope this helps someone else out there confused by the instructions. :)
This is the bike seat I bought: www.amazon.com/gp/product/B000ISXSSA/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 Bell COCOON 300 Child Bicycle Carrier , Red/Gray Cocoon 300