99% of people are wrong… How many holes does this shirt really have?

Visual puzzles are a great way to test your observation skills. At first glance, this image seems very simple: a red t-shirt with several visible holes. However, most people give the wrong answer because they only focus on the front of the garment.

Take a few seconds before reading on… How many holes do you count?
Apparel

Why is this puzzle so tricky? Our brains tend to count only the most obvious openings.