Chair surprise

This week i was surprised when my chair that spun all the way around for  like the first time. So I was just in my chair at my desk at home and I thought i would just spin around this is a spinning chair that does not usually spin all the way around. so then I tried it then bam it worked. It surprise me because I was just moving back and forth then when i took one big spin it worked. That is what and how i got surprised this week.