http://www.ebay.com/itm/Universal-TH...item417fe09ed7 I don't understand this one. The thread needs to come off the spool from the top, even is it is lying on its side. If it doesn't come off the top, you will get extra pull, and extra tension, when the thread comes off the back side of the cone.
I have a cone holder like this
http://www.ebay.com/sch/i.html?_nkw=cone+thread+stand and also use a recipe card holder my nephew made for me. The cone sits at a slant and the thread comes off the top of the cone and up to the first thread guide on the machine.