Just keep in mind that fleas do not squash easily so you'll have to use some pretty serious force. (aplaceforanimals.com)
I struggled with the ClickTight button it was broken, I couldn't adjust incline without serious force, and the lower anchor storage lid got wedged in the seat after it was installed as I didn't close it before adjusting the recline. (albeebaby.com)
At the same time, serious forces inside the Conservative Party argue that they have no hope of winning in 2015. (leftfutures.org)