Let me tell you, these little clipboards have become my unexpected office heroes. The spring-loaded pen holder? Genius. No more playing hide-and-seek with pens at reception - just slide any standard pen in and it stays put with satisfying friction.
I use all three daily: one lives in my car for parking tickets, another at my standing desk for quick notes (the 6x9" size is Goldilocks-perfect), and the third became our family's grocery list station. The metal clip has serious grip - I've carried 20+ pages upstairs without slippage, though I agree with the pizza driver reviewer about windy conditions being tricky.
The included pens write surprisingly smooth, but yes, removing them makes an awful screech. Solution? I swapped in my favorite gel pens which slide silently. After six months of abuse (including my toddler using one as a 'steering wheel'), the holders still snap back perfectly.
Pro tip: Bend the holder slightly inward if it loosens over time. These aren't indestructible - one got mangled when someone forced a fat Sharpie in backwards - but for normal use? Absolute workhorses that make every pen feel VIP.