Hi I have recently returned from a caving trip in Spain and noticed small blue circular discs a few mm thick attached near the cave number plates. Does anyone know what they are? Are they some sort of smart marker? I have attached a photo

Hi A couple of us are staying at SWCC cottages for a couple of days mid week in August. Having never caved in the area and also liking a bit of SRT, any suggestions for a couple of interesting venues? Roger

The project is to explore a shaft in a remote area with no natural fixings (trees, rocks etc). Our plan is to use 2 sets of 3 ground stakes made from angle iron. The bottom of the stake pointed, the top drilled to take a 7mm maillon and the set of three roped in a saw tooth arrangement. So the...

Could somebody please explain the difference between a Petzl Croll and Petzl Basic ascender? Which should I buy? I am relatively new to caving and wanting to buy some of my own equipment for SRT.

Hi I have just had my first experience of caving in Spain and I love it! I was using borrowed equipment but when I go back in a couple of months I would like to take some of my own equipment. Can someone please advise me on rope thickness and type I should be using for cow's tails and foot loops...