How To Spray Block Crocheted or Knitted Squares
The same concept applies to irregularly-shaped pieces, too.

You need:

* Completed pieces of crochet or knitting work
* A flat surface (like a blocking board [used here], bed, carpet, or stack of towels)
* Rustproof pins
* Spray bottle filled with tepid water

Blogged here.
28 photos · 33,082 views