In 1883 he invented a canvas stretcher bar key which was used by artists of the era, and which contributed to Shattucks considerable wealth
१८८४मध्ये ही बाग तत्कालीन मालकांनी ओकायामा प्रभागाच्या हवाली केली व सामान्य जनांना तेथे प्रवेश दिला.