What does Wooden Phallus do in CK3?

Fertility +15% (patch 1.20.0.3).

How do you get Wooden Phallus with the console?

effect generate_romantic_trinket_effect = { OWNER = root } — runs the scripted effect that makes it, for the character you play (debug mode).

Personal artifact · Trinket

Wooden Phallus

CommonTours and Tournaments

Wooden Phallus is a common trinket artifact in Crusader Kings III: Fertility +15%. Quality 20 and wealth 20; maximum durability 60. It needs Tours and Tournaments. Patch 1.20.0.3, from game/common/scripted_effects/02_ep2_artifact_effects.txt.

Quick answers (2)

What does Wooden Phallus do in CK3?: Fertility +15% (patch 1.20.0.3).
How do you get Wooden Phallus with the console?: effect generate_romantic_trinket_effect = { OWNER = root } — runs the scripted effect that makes it, for the character you play (debug mode).

A wooden symbol of fertility, representing a male phallus.

Effects

Fertility+15%

How it is made

The game creates it with the scripted effect generate_romantic_trinket_effect. In the console (how to open it), this gives it to the character you play:

effect generate_romantic_trinket_effect = { OWNER = root }

Built from the effect's file; not run in the game by us.

Source: game/common/scripted_effects/02_ep2_artifact_effects.txt, common/modifiers (artifact_fertility_gain_2_modifier) and the English localisation, Crusader Kings III 1.20.0.3.