Judo Book: Get this judo pdf guide on teaching movement and building a solid repertoire.
This judo book includes 10 Judo Drills to help you teach movement. Because building a decent wide judo repertoire with interlinking throws begins with getting bags of movement.
Someone who can throw an osoto-gari and an ouchi-gari is good.
Someone who can link those two throws is not twice as good but is many times better.