describe how to hold drill

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index bcfc7b209decdadf102035f23a835d9cd26c06cd..e223eb8f24a12c404545340cc50a2e1f2ce8a7ef 100644 (file)
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -54,7 +54,10 @@
                make sure that the teeth end up gripping the flat part of
                the drill bit.]))
     (subsubsection
-     :title [holding drill])
+     :title [holding drill]
+     (p [hold the drill with one hand on the handle and trigger.
+              put the other hand on the orange nozzle, before the
+              black spinning part.]))
     (subsubsection
      :title [arduino placement]
      (p [the arduino should be placed as shown in this picture.]