Silksong Tools & Guides
Silksong

Spool Extender – Hollow Knight: Silksong Tool Guide

+3 SILK CAPACITY FOR LONGER BIND/CYCLE WINDOWS

A Blue Tool that increases your maximum Silk capacity by +3 segments. Purchased from Jubilana in Songclave for 720 Rosaries (after completing Wandering Merchant).

Spool Extender tool illustration from Hollow Knight Silksong showing a blue silk spool icon for capacity
ACT 2
SONGCLAVE (Jubilana)
BLUE
CAPACITY
ECONOMY
1
SLOTS
+3
SILK CAPACITY

IMPACT STATS

DAMAGE
10%
SURVIVAL
60%
MOBILITY
20%
UTILITY
80%
ECONOMY
70%

ACQUISITION

Method:Purchase
Vendor:Jubilana (Songclave)
Cost:720 Rosaries
Requires:Wandering Merchant side quest

Complete Wandering Merchant, then visit Songclave to find Jubilana. If Rosaries are tight, consider farming routes in Greymoor benches before purchase.

DESCRIPTION

Spool Extender increases your maximum Silk capacity, raising the number of binds or Silk Skills you can perform before running dry. It stacks with base capacity increases from Spool Fragments to reach important thresholds like two binds in a row.

Sustain longer in boss fights by holding extra Silk
Combines with Spool Fragments to hit key capacity thresholds
Synergy: Weavelight for faster Silk return

MECHANICS & THRESHOLDS

Silk Capacity:+3 segments (stacks with fragments)
Quest Unlock:Wandering Merchant (enables Jubilana's full shop)
Best For:Learned boss phases, endurance runs

ADD TO BUILD PLANNER

Add Spool Extender to Build

Plan your perfect build with Spool Extender and other tools

SILK ECONOMY & CAPACITY TOOLS COMPARISON

ToolSlotsActUtilityEconomyNotes
Spool Extender125/54/5+3 Silk capacity; stacks with fragments
Flea Brew114/55/5Silk efficiency; complements capacity
Egg of Flealia114/54/5Full-health -1 Silk cost; sustain cycles

FREQUENTLY ASKED QUESTIONS

A: It increases your maximum Silk capacity by +3 segments, enabling longer bind and casting cycles when combined with fragments and upgrades.

A: From Jubilana in Songclave for 720 Rosaries. Her shop appears after completing the Wandering Merchant side quest.

A: Spool Fragments raise the base Silk capacity every 2 fragments. Spool Extender stacks with those increases to reach thresholds like two consecutive binds.

A: Pair with Weavelight for faster Silk return and Claw Mirror for bind-time safety. Consider Weighted Belt to reduce knockback during binds.