First time attempt by student climbing guide, she's a Thai student at local university. Currently there are two slacklines at Boomerang Adventure Park, each with overhead 10 mm steel safety cable. Each goes between large rocks. The slackline itself is 3 inches wide.

First time try on slackline by one of the guides (an Akha guy; Sakjai) at Boomerang Park. There are two slacklines there, each about 8 meters, and each with overhead safety cable.