The restriction applies to the whole crag for nesting ravens. This site is regularly monitored and fledging often occurs here by early May so the restriction may be lifted earlier than the date mentioned above. Keep checking this page for updates.
2023 UPDATE: No nesting activity has been observed and as such the restriction has been lifted this year from 17th April
UKC Logbook Description
Just left of French Kiss climb to the bulge and pull left onto the blunt arete. Move up steeply then right to finish at the French Kiss Lower-off. A more direct version, Lip Service, keeping right of the bolts is possible at 6c.