if target of use then cloak;

##cloak:
if $actor's pose = "hidden" then uncloak else materialize;
relook $loc;

##uncloak:
clear $actor,all;
store $actor's pose = "";
print "You hear grinding of stone as [$actor] is revieled";

##materialize:
print "You hear grinding of stone as [$actor] closes. Where did it go?";