A blade track (20, 220, 320) for use in a gas turbine engine, the blade track (20, 220, 320) comprising: a first segment (26, 226, 326) comprising ceramic-matrix composite materials, the first segment (26, 226, 326) including a first band (30, 230, 330) shaped to extend part-way around a central axis, a first finger support (32, 232, 332) that extends partway around the central axis from a circumferential end (31, 231) of the first band (30, 230, 330), and a first attachment finger (34, 234, 240, 334, 340) that extends from an end of the first finger support (32, 232, 332), and a second segment (28, 228, 328) comprising ceramic-matrix composite materials, the second segment (28, 228, 328) including a band (36, 236, 336) shaped to extend part-way around the central axis a finger support (38, 238, 338) that extends partway around the central axis from a circumferential end (37, 237) of the band (36, 236, 336), and a second attachment finger (40, 235, 241, 335, 341) that extends from an end of the finger support (38, 238, 338), characterised in that the first attachment finger (34, 234, 240, 334, 340) extends from the first finger support (32, 232, 332) in an axial direction and the second attachment finger (40, 235, 241) extends from the second finger support (38, 238, 338) in an axial direction opposite the first attachment finger (34, 234, 240, 334, 340), the first attachment finger (34, 234, 240, 334, 340) and the second attachment finger (40, 235, 241) combine to provide an interlocked joint between the first segment (26, 226, 326) and the second segment (28, 228, 328), the first band (30, 230, 330), the first finger support (32, 232, 332), and the first finger (34, 234, 240, 334, 340) form a first finger-receiving space between the circumferential end (31, 231) of the first band (30, 230, 330) and the first finger (34, 234, 240, 334, 340), and the second band (36, 236, 336), the second finger support (38, 238, 338) and the second finger (40, 235, 241, 335, 341) form a second finger-receiving space between the circumferential end (37, 237) of the second band (36, 236, 336) and the second finger, and the first finger (34, 234, 240, 334, 340) extends into the second finger-receiving space formed in the second segment (28, 228, 328) and the second finger (40, 235, 241, 335, 341) extends into the first finger-receiving space formed in the first segment (26, 226, 326). a first segment (26, 226, 326) comprising ceramic-matrix composite materials, the first segment (26, 226, 326) including a first band (30, 230, 330) shaped to extend part-way around a central axis, a first finger support (32, 232, 332) that extends partway around the central axis from a circumferential end (31, 231) of the first band (30, 230, 330), and a first attachment finger (34, 234, 240, 334, 340) that extends from an end of the first finger support (32, 232, 332), and a second segment (28, 228, 328) comprising ceramic-matrix composite materials, the second segment (28, 228, 328) including a band (36, 236, 336) shaped to extend part-way around the central axis a finger support (38, 238, 338) that extends partway around the central axis from a circumferential end (37, 237) of the band (36, 236, 336), and a second attachment finger (40, 235, 241, 335, 341) that extends from an end of the finger support (38, 238, 338), characterised in that the first attachment finger (34, 234, 240, 334, 340) extends from the first finger support (32, 232, 332) in an axial direction and the second attachment finger (40, 235, 241) extends from the second finger support (38, 238, 338) in an axial direction opposite the first attachment finger (34, 234, 240, 334, 340), the first attachment finger (34, 234, 240, 334, 340) and the second attachment finger (40, 235, 241) combine to provide an interlocked joint between the first segment (26, 226, 326) and the second segment (28, 228, 328), the first band (30, 230, 330), the first finger support (32, 232, 332), and the first finger (34, 234, 240, 334, 340) form a first finger-receiving space between the circumferential end (31, 231) of the first band (30, 230, 330) and the first finger (34, 234, 240, 334, 340), and the second band (36, 236, 336), the second finger support (38, 238, 338) and the second finger (40, 235, 241, 335, 341) form a second finger-receiving space between the circumferential end (37, 237) of the second band (36, 236, 336) and the second finger, and the first finger (34, 234, 240, 334, 340) extends into the second finger-receiving space formed in the second segment (28, 228, 328) and the second finger (40, 235, 241, 335, 341) extends into the first finger-receiving space formed in the first segment (26, 226, 326).