Prevents the foe from running or switching unless using <a href="http://pldh.net/dex/move/batonpass" class="linksred">Baton Pass</a> or <a href="http://pldh.net/dex/move/uturn" class="linksred">U-Turn</a>. If the opponent has the ability <a href="http://pldh.net/dex/ability/shadowtag" class="linksred">Shadow Tag</a> it can still switch.