Short stories with devices and circumstances that will be familiar with TF fans here.
I particularly like the one with the guy in the park whose stare can alter and the use of the oil of growth one.
Check it out, add your own examples to the thread
You can check out the “Muscle Growth” gallery on my DeviantArt page for photocomics and transformation sequences:
Kasu does tf, mc and smoking. Plus inexpensive translated work for purchase on Booth OR subscribe to fan pixiv for ~$12 for comics pages and PSD files also translated into english
The source of the Horny Hypnotist I posted before