Like some patches (4-2)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like some patches</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for iron-on that I've seen before include "Designed to be attached by heat and pressing" , "ready to be transferred under pressure" .)