If you're brave enough, you could try this: lay one hand on a tabletop and put the other out of sight below. Place a rubber hand on the table where your hidden hand would naturally rest next to its neighbour. And have someone stroke the index finger of your real hidden hand, and the index finger of the rubber hand at the same time.
Absence of reliable physiological signature of illusory body
The rubber hand illusion in action - ScienceDirect
Extending Bayesian Models of the Rubber Hand Illusion in
Virtual image of a hand displaced in space influences action
Supernumerary hand illusion vs. traditional rubber hand illusion
PDF] Demand characteristics confound the rubber hand illusion
The Rubber Hand Illusion
How the 'rubber hand illusion' may help those with OCD
Multivariate Analysis of Evoked Responses during the Rubber Hand
Redesigning the Rubber Hand Illusion - Motor Impairment
Study finds that the popular rubber hand illusion could be used to
The Rubber Hand Illusion: Top-down attention modulates embodiment