In LSF, manual signs of relativization are not mandatory, relativization can be expressed solely through non-manual markers, as in the following example.
rel
ix1 prefer vet cure dog
‘I prefer the vet who cures the dog.’ (Hauser, 2019)
Relative clauses can also be marked through the use of relative pronouns. Their properties regarding their compatibility with human/non-human referents and singular/plural heads, their position(s), and their optionality in the construction are presented within each respective subsection.