The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Guide Tricks for Climbers:
Are you often nagged by the question "What if...." or "How would I retreat from a route if my partner or I had a minor injury?" Certainly, the elegant solution to any rescue situation is for it to never happen in the first place and often having the knowledge to solve the problem keeps it from happening. Self rescue instruction is often complex and the techniques are difficult to master. The progressions demonstrated in this video, simplify the techniques so you'll be able to retain the information and be able to use the skill sets when you need them most. The lite app contains 8 videos with nearly 16 minutes of content