crocheting and blocking items????

[perplexed]

I am crochecting placemats and I know you have to block them but I don't know how, can someone tell me step by step please???
Its 100 % acrylic.

thanks!

[okcoupondiva]

Here is a link that explains how to block step by step. Hope that helps!

[perplexed]

thanks so much! what sort of pad are they talking about and can I use like safety pins?