Can't remember if I've already mentioned this to you:
I hate the sl1 k2tog psso cdd. It's lumpy and leaning and poopy. So, I figured out a true CDD: Slip 2 as if to K2tog, K1, then PSSO…this yields a decrease with the center stitch at the front.
Pic 1 is my way, pic 2 is sl1.k2tog.psso