However, the vines themselves are a thorny menace, with a coating of sharp, strong spines that hook backwards towards the root. Catch one of these sometimes slender tendrils around an ankle while walking, and you might think you can just pull through it... and rapidly learn that you shouldn't.
If you can't convince someone to pick them for you, go armoured. I have some old fire turn-out pants that help quite a bit.
The himalayan environment spawned some very pernicious and hardy species!