Do-It molds has no trade mark. With Blakemores trademark you can get a mold, pour them for your own use but not sell them. The mold comes with a warning sticker explaining that. There is a sticky on here about Poney heads and Seahorse jigs that goes into great detail about all this.
Start with Post #1 and read down especially # 12 by Skip That explains it about as well as it can be.
Agree/Disagree Like it or not if you are pouring and selling them you can be sued and lose.