Portability is one of the factors to consider when looking into an e-nail. Although many units will travel easily, they are almost all restricted to electrical outlets. Portable e-nails or e-rigs are great for someone who is looking for a simple system for dabbing concentrates. Most concentrate consumers will find these portable e-nails very convenient even if you don’t medicate much away from home. They act in between a vape pen and a traditional oil rig. Dr. Dabber Boost and…