RE: The best deer call
The sound the " CAN" produces is a regular doe bleat, this is why you have fawns, does and bucks responding all to the same call. It is a form of vocalization they use, like a grunt. It also is the same sound that can be produced with adjustable calls such as: the true talker.
Not meant to be a put down to this call just so you know that a doe in heat call is just a bleat and you may already have this in your gear bag just never realized. For simplicity it works very good and hence its popularity.