One Teaspoon The Cantina Lennon Tank in Black & White. - size M (also in L) One Teaspoon The Cantina Lennon Tank in Black & White. - size M (also in L) Proof that sometimes things are just black and white. The Cantina Lennon Tank features a soft knit fabric and a back split detail. With a loose and comfortable fit there was nothing to get in the away of your get away.. Cotton blend. Back seam slit. Asymmetrical hem. ONET-WS114. 19416. Australian designer Jamie Blakey sewed her first collection in her very own bedroom. Now, nearly a decade later, her Sydney-based line has found an international fan base. Known for clothing that is casual and beachy, One Teaspoon offers pieces that are effortless, cool, and still have that handmade feel.