There's a hidden reason why every pen cap has a hole in it.

<p>There's a hidden reason why every pen cap has a hole in it.</p>

Matt Z and Rob Sussman in the Morning on 97.5 FM and 1360 AM - WTAQ. Listen to us weekdays 5:30-8:30 am. Follow us at https://twitter.com/WTAQMorningNews!

<p>Matt Z and Rob Sussman in the Morning on 97.5 FM and 1360 AM - WTAQ. Listen to us weekdays 5:30-8:30 am. Follow us at https://twitter.com/WTAQMorningNews!</p>