Please see this video. When you place tripwire hook it's playing click button sound.
http://www.youtube.com/watch?v=srSYvwqyuWw
Environment
OS : Windows XP (x86) 5.1 Service Pack 3
CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz
RAM : 1 GB DDR RAM
Java : Java Development Kit 1.7.0 Update 60 (Used for making my mods)
OpenGL : Intel 845G GL Version 1.3.0 - Build 4.14.10.4020
fixed in 14w28a