Feeling weight is one of the important elements of our haptic feelings. Normally in VR experience, we judge whether we are holding an object mostly by sight. Losing the feeling of weight makes things in VR can break the immersion of VR experience.
Principle of Lever Mechanics, I made the prototype and the experience. The story is part of the legend of King Arthur: only the King Arthur can pull out the sword from the stone. By feeling the weight of the sword, people can get better understanding of the
responsibilities of being a king.