As seen on ABC Family, TBS, Discovery, SPIKE, Nichelodeon, Cartoon Network, Animal Planet and Comedy Central
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The Self-Defense Institute
(Located Next to US Post Office)
MGM Plaza, 1721 Main Street,
Tewksbury, Massachusetts
email (or text): tsdi.contact@gmail.com
26th Annual Registration
Winter 2025 - open to all ages!
The Self-Defense Institute, Tewksbury, MA
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