

Pam or similar should be fine as a mould release. A YouTuber we watch, Evan and Katelyn, did an experiment testing different vibration methods for concrete, and they found a personal vibrator (yes, that) was the best for smaller projects like this.
https://m.youtube.com/watch?v=OOFOxDiOgEA&pp=ygUZRXZhbiBhbmQgS2F0ZWx5biBjb25jcmV0ZQ%3D%3D

















Free to lie dying in the streets while everyone serious over your body.