[kach22i]

http://www.waseda.jp/student/weekly/english/2007/e131p.html

The giant and heavy mono-fin used by Ms. Suzuki


http://www.backyardcitypools.com/pool-toys/Mermaid-Swim-Fin.htm



http://www.diveplanet.co.nz/freediving%2Findex.asp



http://www.sprintaquatics.com/prodinfo.asp?number=633


http://mermaid-williambond.blogspot.com/



http://www.otterbaysuits.com/extraproducts.cfm?category=124&numbers=1115



http://www.t3.com/news/lunocet-monofin-gives-swimmers-a-serious-speed-boost?=36427