Which is/are the characteristics of primates' prehensile hands?

Primate's have prehensile hands and feet. The characteristic features of primate's prehensile hands are as follows:
1. These have five digits or fingers that includes thumb that allows the animal to hold or grab any object.
2. Hands are sensitive and have touching sensation.
These properties make the life of primates easy to live on trees.

The type of bond found in many carbon-to-carbon bonds in canola oil but very few carbon-to-carbon bonds in butter, is ; c=cc-c c=c c=h c-h hope this .