diff --git a/handbook/undergroundcamping.html b/handbook/undergroundcamping.html
index 35254fe17..60b1e03c8 100644
--- a/handbook/undergroundcamping.html
+++ b/handbook/undergroundcamping.html
@@ -41,6 +41,7 @@
 <p> - laminated cave surveys with leads highlighted; ideally update these during expo + descriptions + rigging guides</p>
 <p> - as many large tacklesacks as you can find; leave the really big ones at camp for the derig as they are too big for anything but fluff; the derig of Balkonhoehle in 2024 needed about 11 tacklesacks</p>
 <p> - dry bags and bin bags to keep sleeping bags etc dry and for rubbish</p>
+<p> - Cave link in pelicase - make sure you have all the bits, know how to use it and have the surface kit set up with someone to use it; do NOT rely on it for comms</p>
 <p> - concrete screws and appropriate small drill bit for rigging lines at the camp</p>
 <p> - brush to clean mud off SRT gear, bags, etc</p>