Cacher is the code snippet organizer for pro developers

<mvt:if expr="(POS1 MOD 4) EQ 1">
    <div class="first-item">
        // This will be executed of every 4th product starting at 1: 1,5,9,13 etc.
    </div>
<mvt:else>
    // This code will be executed when the above condition is NOT met
</mvt:if>