Related Clues:
- PC port for a flash drive
- Like some copies and courts
- Close, as a parka
- High on the Mohs scale
- Peripheral connector
- Kind of computer port
- Data transmission letters
- Nothing ... or a hint to what's hidden in 20-, 35- and 52-Across
- Energy or clothes fastener
- Difficult to find this in the long words here
- FireWire alternative
- No walk in the park
- Tough to get an artist back into high-definition
- See 3 Down
- Brain busting