Here's a quick photo of the "simple temple" setup on the loom. It's weighted to keep the selvedges even. That's exactly a pound of two inch washers per side. I tried using machine knitting claw weights at the cloth attachment point, but they damaged the fabric and were hard to move; sometime the simplest thing works best — two bent paperclips in this case.
And it's about time some of that tablet weaving served a purpose!