http://web2.cc.nctu.edu.tw/~mclub/meichu/teach/equip/equipment2_3.html

http://www.socialwork.com.hk/sport/climbing/basic05.htm

http://www.goforwild.com/articleD.php?no=51

http://140.111.103.226/climb.htm

http://www.docin.com/p-28586116.html

http://mysuper.com.tw/read.php?tid=26097&page=e&fpage=1

http://www.canyoneering.net/content/index.php?categoryid=54
http://www.canyoneering.net/forums/showthread.php?t=1049

http://www.mountain-survival.net/chapter6/roped-climbing.html

http://www.canyonwiki.com/wiki/index.php/Canyon_rappel 酷!


http://0rz.tw/OBuVQ

http://www.emanz.ac.nz/pdf/rescuer/27%20-%20Oct%2099.pdf

http://students.washington.edu/climb/forum/viewtopic.php?f=29&t=5210