BrainAround vs Defender Ring™

Share College Textbook Problems and Solutions

BrainAround lets students make the most of their college textbooks, by connecting with other students, that study the same textbooks. Students can post questions about specific textbook problems or help other students by sharing their solutions.

Smart self-defense rings for women

Defender Ring™ is a first of its kind self defense ring developed exclusively for women who want protection but don't want to sacrifice style and comfort. The ring's design is clean, minimal, and can be worn everyday by moms, young professionals, joggers, and any woman seeking personal protection. The dual-purposed jewelry can be transformed into a sharp, hand-mounted self defense blade weapon in under 1 second.

Location: New York, United States